Lenovo thanks Zichuan Li (@Ri7erLi) from Indiana University Bloomington for reporting this vulnerability.

A buffer overflow has been identified in the SystemUserMasterHddPwdDxe driver in some Lenovo Notebook products which may allow an attacker with local access and elevated privileges to execute arbitrary code.

A buffer overflow has been identified in the BoardUpdateAcpiDxe driver in some Lenovo ThinkPad products which may allow an attacker with local access and elevated privileges to execute arbitrary code.

A vulnerability was reported in BIOS for ThinkPad P14s Gen 2, P15s Gen 2, T14 Gen 2, and T15 Gen 2 that could cause the system to recover to insecure settings if the BIOS becomes corrupt.

A potential vulnerability was reported in the SMI callback function of the OemSmi driver that may allow a local attacker with elevated permissions to execute arbitrary code.

A buffer overflow was reported in the LemSecureBootForceKey module in some Lenovo Desktop products that may allow a local attacker with elevated privileges to execute arbitrary code.

A buffer overflow was reported in the OemSmi module in some Lenovo Desktop products that may allow a local attacker with elevated privileges to execute arbitrary code.

A buffer overflow was reported in the BiosExtensionLoader module in some Lenovo Desktop products that may allow a local attacker with elevated privileges to execute arbitrary code.

A buffer overflow was reported in the SmiFlash module in some Lenovo Desktop products that may allow a local attacker with elevated privileges to execute arbitrary code.

A buffer overflow was reported in the SmuV11Dxe driver in some Lenovo Desktop products that may allow a local attacker with elevated privileges to execute arbitrary code.

A buffer overflow was reported in the SmuV11DxeVMR module in some Lenovo Desktop products that may allow a local attacker with elevated privileges to execute arbitrary code.